APA (7th ed.) Citation

Ahlfors, L. V., & Sario, L. (1974). Riemann surfaces (Fifth printing.). Princeton University Press.

Chicago Style (17th ed.) Citation

Ahlfors, Lars Valerian, and Leo Sario. Riemann Surfaces. Fifth printing. Princeton NJ: Princeton University Press, 1974.

MLA (9th ed.) Citation

Ahlfors, Lars Valerian, and Leo Sario. Riemann Surfaces. Fifth printing. Princeton University Press, 1974.